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author | Cyrille Pitchen <cyrille.pitchen@free-electrons.com> | 2018-01-30 23:56:58 +0300 |
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committer | Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> | 2018-01-31 14:10:55 +0300 |
commit | 6618f4d3f5d614d5cd4cbc4e81f0fef8e22a36c7 (patch) | |
tree | 32f567efb52f131296bd04997fa228e91fa0648b /Documentation/devicetree/bindings/pci | |
parent | fc41df28f89e9d93deb4f0930cb0fb7eec26e5b4 (diff) | |
download | linux-6618f4d3f5d614d5cd4cbc4e81f0fef8e22a36c7.tar.xz |
dt-bindings: PCI: cadence: Add DT bindings for Cadence PCIe endpoint controller
This patch documents the DT bindings for the Cadence PCIe controller
when configured in endpoint mode.
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@free-electrons.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/pci')
-rw-r--r-- | Documentation/devicetree/bindings/pci/cdns,cdns-pcie-ep.txt | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-ep.txt b/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-ep.txt new file mode 100644 index 000000000000..9a305237fa6e --- /dev/null +++ b/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-ep.txt @@ -0,0 +1,22 @@ +* Cadence PCIe endpoint controller + +Required properties: +- compatible: Should contain "cdns,cdns-pcie-ep" to identify the IP used. +- reg: Should contain the controller register base address and AXI interface + region base address respectively. +- reg-names: Must be "reg" and "mem" respectively. +- cdns,max-outbound-regions: Set to maximum number of outbound regions + +Optional properties: +- max-functions: Maximum number of functions that can be configured (default 1). + +Example: + +pcie@fc000000 { + compatible = "cdns,cdns-pcie-ep"; + reg = <0x0 0xfc000000 0x0 0x01000000>, + <0x0 0x80000000 0x0 0x40000000>; + reg-names = "reg", "mem"; + cdns,max-outbound-regions = <16>; + max-functions = /bits/ 8 <8>; +}; |